Slowest Meow-sseuse Ever

"You may laugh at how slowly I am 'kneading dough' as the humans refer to it, but do not question my technique. I am not fast and furious like the others. Slowly but surely, I am realigning your chakras, bringing your chi back into the fourth quadrant and, zzzzz..."

Kittens do that to stimulate mother's lactation. The ones that were weaned too soon, or raised with the bottle will do that long into their adult years. Girls do it too, but boys are the ones who are doing it mainly when they are adults. Mommy's boys? :-P